Error 3508 indicates issue with MasterTrust API setup in APIBridge. If you want to trade in other Broker API, contact your admin.
To trade with MasterTrust API using the APIBridge desktop application, follow the steps given below.
STEP 1: In APIBridge go to Application Settings->API. Put details as below:
API Key: IwPIsn
Password: Your MasterTrust account login password
User ID: Your MasterTrust account client ID
Security Answer: Your Mastertrust account 4 digit security answer.

STEP 2: Save application settings. Keep mode Default and Login to API. APIBridge will show message – Login Successful to API.
MasterTrust API Features
| Feature | Details |
| Cost | Free |
| Auto Order Cancellation | YES |
| MaxProfit/MaxLoss | NO |
| SLL, SLM Orders | YES |
| CO | YES |
| BO | YES |
| Trail SL in BO | NO |
| MCX Futures | YES |
| NSE Currency | YES |
| NSE Weekly Options | YES |
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